About This Chapter
Oscillations - Chapter Summary
Study the kinematics of spring-block oscillators and pendulums with these entertaining video lessons on simple harmonic motion. After reviewing the law of conservation of momentum, our instructors will show you how potential energy is transformed to kinetic energy and back again during the phases of oscillation. You'll also get practice with calculations involving the frequency, motion, and mass of a spring-block oscillator and re-examine the impact of friction on these systems. Round out your study of oscillations with a lesson on force vs. time and force vs. distance graphs. Topics of instruction include:
- Simple harmonic motion
- The law of conservation of momentum
- Hooke's law and the spring constant
- Types of friction
This chapter includes several resources to help you master simple harmonic motion concepts. The animated videos and transcripts are designed to entertain as well as inform, and the self-assessment quizzes are included to give you extra practice solving sample problems. You'll also benefit from our instructors' expertise. Leave them a question if you need help at any point during your physics studies.
1. Simple Harmonic Motion (SHM): Definition, Formulas & Examples
After watching this video, you should be able to explain what simple harmonic motion is, describe the features of the motion, and use equations to solve simple harmonic motion problems, particularly for a mass on a spring. A short quiz will follow.
2. The Law of Conservation of Momentum
After completing this lesson, you will be able to explain what conservation of momentum is and use the equation for conservation of momentum to solve problems. A short quiz will follow.
3. Hooke's Law & the Spring Constant: Definition & Equation
After watching this video, you will be able to explain what Hooke's Law is and use the equation for Hooke's Law to solve problems. A short quiz will follow.
4. Simple Harmonic Motion: Kinetic Energy & Potential Energy
After watching this video, you will be able to explain what simple harmonic motion is, describe the energy interplay involved in various situations, and use energy equations to solve simple harmonic motion problems. A short quiz will follow.
5. The Kinematics of Simple Harmonic Motion
After watching this lesson, you will be able to explain what simple harmonic motion is, and use the kinematics equations for simple harmonic motion (both conceptually and numerically) to solve problems. A short quiz will follow.
6. Spring-Block Oscillator: Vertical Motion, Frequency & Mass
After watching this video, you will be able to explain how a spring-block oscillator is an example of simple harmonic motion. You will also be able to use an equation for a spring-block oscillator that relates the frequency and mass of the block.
7. Pendulums in Physics: Definition & Equations
After watching this lesson, you will be able to explain what a pendulum is, why it is an example of simple harmonic motion, and use equations to solve pendulum problems. A short quiz will follow.
8. Friction: Definition and Types
You experience friction all the time, and you should be glad you do! Friction helps keep stationary objects in place as well as slow moving objects down as they slide across a surface. This lesson identifies what friction is and explains the two ways we find this force on earth.
9. The Impact of Friction on Conservation Principles
When you've finished with this lesson, you should be able to explain how conservation of energy applies when friction is present and how friction relates to efficiency. Review what you've learned in the lesson summary, and then take a short quiz.
10. Force vs. Time & Force vs. Distance Graphs
In this lesson, you'll find out how to determine impulse from a force-time graph and speed from a distance-time graph. You'll also learn how to describe the general shape of these graphs for simple harmonic motion.
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Other chapters within the College Physics: Help & Review course
- Scientific Inquiry
- Formulating Scientific Questions
- Planning a Scientific Investigation
- Observation and Data Collection
- Data Analysis and Graphing
- Drawing and Explaining Conclusions
- Safety During Science Experiments
- Scientific Ethics
- Motion and Newton's Laws
- Kinematic Equations in Physics
- Properties of Rotational Motion
- Linear Momentum Principles
- Work, Energy and Power
- Heat and Thermodynamics
- Characteristics of Waves
- Electrical & Magnetic Forces
- Electric Potential & Capacitance
- Physics Circuits
- Magnetic Forces and Fields
- Quantum Mechanics and the Standard Model
- Science Literacy
- Diversity in Science
- Historical Perspectives in Physics
- Science, Technology and Beliefs